The WACC of Boeing Co (BA) is 7.9%.
| Range | Selected | |
| Cost of equity | 7.40% - 10.70% | 9.05% |
| Tax rate | 10.90% - 13.00% | 11.95% |
| Cost of debt | 4.90% - 7.00% | 5.95% |
| WACC | 6.5% - 9.3% | 7.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.77 | 1.04 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.40% | 10.70% |
| Tax rate | 10.90% | 13.00% |
| Debt/Equity ratio | 0.41 | 0.41 |
| Cost of debt | 4.90% | 7.00% |
| After-tax WACC | 6.5% | 9.3% |
| Selected WACC | 7.9% | |